Style de citation APA (7e éd.)

LEWIS,John P. (1959). Business Conditions analysis.: Lewis, John P. Mcgraw-Hill.

Style de citation Chicago (17e éd.)

LEWIS,John P. Business Conditions Analysis.: Lewis, John P. Newyork: Mcgraw-Hill, 1959.

Style de citation MLA (9e éd.)

LEWIS,John P. Business Conditions Analysis.: Lewis, John P. Mcgraw-Hill, 1959.